Find an equation for the hyperbola described.Vertices at (0, -8) and (0, 8); asymptote the line y = 
x
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Answer: B
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A pair of fair dice is cast. Let E denote the event that the number landing uppermost on the first die is a 5 and let F denote the event that the sum of the numbers falling uppermost is 11. Determine whether E and F are independent events. Answer dependent or independent.
What will be an ideal response?
Solve the problem. Round your answer to 2 decimal places when necessary.In a recent year, there were 62 accidents in commercial aviation among major airlines over 8.5 million departures. Find the accident rate in units of accidents per 100,000 departures.
A. 73 accidents per 100,000 departures B. 1.4 accidents per 100,000 departures C. 0.73 accidents per 100,000 departures D. 7.3 accidents per 100,000 departures
Find all values of x in the interval [0°, 360°) that satisfy the equation. Round approximate answers to the nearest tenth of a degree.3 sin2x - sin x - 4 = 0
A. {90°} B. {180°} C. {270°} D. {0°}
Replace the polar equation with an equivalent Cartesian equation.r2 = 40r cos ? - 6r sin ? - 9
A. (x - 20)2 + (y + 3)2 = 400 B. (x + 40)2 + (y - 6)2 = 9 C. 40x - 6y = 9 D. (x - 20)2 + (y + 3)2 = 9